<!DOCTYPE html>
<html>
    <head>
        <script src="vue.js"></script>
    </head>
    <body>
        <div id="app">
            <my-component></my-component>
            <my-component></my-component>
            <my-component></my-component>
        </div>
        <script>
             Vue.component('MyComponent',{
             data : function(){ return { count : 0 }},
            template: '<button v-on:click="count++">被单击{{count}}</button>'
            });

            var vm = new Vue({el:'#app'});
        </script>
    </body>
</html>